Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 241, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Aug 19, 2012, 11:14 AM EDT for Bulloch County, Effingham County, Georgia; Allendale County, Hampton County, Jasper County, South Carolina. It was in force for 46 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 19, 2012, 11:14 AM EDT (15:14 UTC)
- Expired
- Aug 19, 2012, 12:00 PM EDT
- In force
- 46 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
Counties Bulloch County, GA, Effingham County, GA, Allendale County, SC, Hampton County, SC, Jasper County, SC
The radar
The Charleston,SC radar (KCLX), 46 km from the middle of the area, began a volume at 15:17 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 19, 11:29 AM EDT | TSTM WND DMG | Rincon, GA | THE EFFINGHAM COUNTY 911 CALL CENTER RELAYED A REPORT OF A POWER LINE DOWN ALONG LONG BRIDGE ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 19, 10:33 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 3.2 hours before the alert went out and 143 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1389 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1029 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
505
WUUS52 KCHS 191514
SVRCHS
GAC031-103-SCC005-049-053-191615-
/O.NEW.KCHS.SV.W.0241.120819T1514Z-120819T1615Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
1114 AM EDT SUN AUG 19 2012
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN BULLOCH COUNTY IN SOUTHEAST GEORGIA...
EFFINGHAM COUNTY IN SOUTHEAST GEORGIA...
SOUTH CENTRAL ALLENDALE COUNTY IN SOUTHEAST SOUTH CAROLINA...
SOUTHERN HAMPTON COUNTY IN SOUTHEAST SOUTH CAROLINA...
NORTHWESTERN JASPER COUNTY IN SOUTHEAST SOUTH CAROLINA...
* UNTIL 1215 PM EDT
* AT 1114 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
SEVERE THUNDERSTORMS...ALONG A LINE EXTENDING FROM ESTILL TO GUYTON
TO BAY...MOVING EAST AT 30 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
* SOME LOCATIONS IN THE WARNING INCLUDE...
SCOTIA...GUYTON...FURMAN...SPRINGFIELD...ROBERTVILLE...PINEORA...
TARBORO...PINELAND...EBENEZER...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE SHELTER AS THUNDERSTORMS APPROACH.
REPORT HAIL...DOWNED TREES...LIMBS...AND POWER LINES DIRECTLY TO THE
CHARLESTON NATIONAL WEATHER SERVICE AT 1-888-383-2024...WHEN IT IS
SAFE TO DO SO.
&&
LAT...LON 3218 8177 3234 8150 3283 8130 3281 8092
3235 8098 3225 8117 3222 8143 3224 8144
3220 8158
TIME...MOT...LOC 1514Z 270DEG 25KT 3274 8122 3234 8138
3223 8157
$$4 follow-up statements
079
WWUS52 KCHS 191527
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
1127 AM EDT SUN AUG 19 2012
SCC005-191538-
/O.CAN.KCHS.SV.W.0241.000000T0000Z-120819T1615Z/
ALLENDALE SC-
1127 AM EDT SUN AUG 19 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ALLENDALE COUNTY
HAS BEEN CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT SUNDAY
EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
LAT...LON 3241 8139 3283 8123 3281 8092 3235 8098
3225 8117 3222 8143 3231 8147
TIME...MOT...LOC 1528Z 270DEG 25KT 3274 8110 3234 8126
3223 8146
$$
GAC031-103-SCC049-053-191615-
/O.CON.KCHS.SV.W.0241.000000T0000Z-120819T1615Z/
BULLOCH GA-EFFINGHAM GA-HAMPTON SC-JASPER SC-
1127 AM EDT SUN AUG 19 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT
FOR NORTHWESTERN JASPER...SOUTHERN HAMPTON...EFFINGHAM AND EXTREME
SOUTHEASTERN BULLOCH COUNTIES...
AT 1128 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
NIXVILLE TO SPRINGFIELD TO 6 MILES SOUTHWEST OF MARLOW...MOVING EAST
AT 30 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...CLYO...
EBENEZER...GUYTON...MARLOW...PINEORA...RINCON...SPRINGFIELD...
STILLWELL...CUMMINGS...EARLY BRANCH...ESTILL...FURMAN...GARNETT...
GILLISONVILLE...GRAYS...LENA...PINELAND...PURYSBURGH...RIDGELAND...
ROBERTVILLE...SCOTIA...SWITZERLAND...TARBORO AND TILLMAN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT SUNDAY
EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
&&
LAT...LON 3241 8139 3283 8123 3281 8092 3235 8098
3225 8117 3222 8143 3231 8147
TIME...MOT...LOC 1528Z 270DEG 25KT 3274 8110 3234 8126
3223 8146
$$022
WWUS52 KCHS 191535
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
1135 AM EDT SUN AUG 19 2012
GAC031-191545-
/O.CAN.KCHS.SV.W.0241.000000T0000Z-120819T1615Z/
BULLOCH GA-
1135 AM EDT SUN AUG 19 2012
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHEASTERN BULLOCH
COUNTY HAS BEEN CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT SUNDAY
EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
LAT...LON 3222 8143 3233 8135 3241 8129 3283 8123
3281 8092 3235 8098 3225 8117
TIME...MOT...LOC 1535Z 270DEG 25KT 3274 8104 3240 8113
3223 8140
$$
GAC103-SCC049-053-191615-
/O.CON.KCHS.SV.W.0241.000000T0000Z-120819T1615Z/
EFFINGHAM GA-HAMPTON SC-JASPER SC-
1135 AM EDT SUN AUG 19 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT
FOR NORTHWESTERN JASPER...CENTRAL HAMPTON AND EASTERN EFFINGHAM
COUNTIES...
AT 1135 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
GRAYS TO EBENEZER TO MARLOW...MOVING EAST AT 30 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...CLYO...
EBENEZER...MARLOW...RINCON...SPRINGFIELD...STILLWELL...CUMMINGS...
EARLY BRANCH...FURMAN...GARNETT...GILLISONVILLE...GRAYS...LENA...
PINELAND...PURYSBURGH...RIDGELAND...ROBERTVILLE...SCOTIA...
SWITZERLAND...TARBORO AND TILLMAN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT SUNDAY
EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
&&
LAT...LON 3222 8143 3233 8135 3241 8129 3283 8123
3281 8092 3235 8098 3225 8117
TIME...MOT...LOC 1535Z 270DEG 25KT 3274 8104 3240 8113
3223 8140
$$495
WWUS52 KCHS 191547
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
1147 AM EDT SUN AUG 19 2012
GAC103-SCC049-053-191615-
/O.CON.KCHS.SV.W.0241.000000T0000Z-120819T1615Z/
EFFINGHAM GA-HAMPTON SC-JASPER SC-
1147 AM EDT SUN AUG 19 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT
FOR CENTRAL JASPER...CENTRAL HAMPTON AND EAST CENTRAL EFFINGHAM
COUNTIES...
AT 1147 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
EARLY BRANCH TO DEERFIELD TO 6 MILES SOUTHWEST OF BLANDFORD...MOVING
EAST AT 30 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
AT 1129 AM EDT...LAW ENFORCEMENT REPORTED A POWER LINE BLOWN DOWN IN
RINOCN FROM THE WIND.
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
EBENEZER...RINCON...CUMMINGS...EARLY BRANCH...GILLISONVILLE...
GRAYS...PURYSBURGH...RIDGELAND...SWITZERLAND AND TILLMAN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT SUNDAY
EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
&&
LAT...LON 3222 8143 3232 8128 3243 8116 3282 8112
3281 8092 3235 8098 3225 8117
TIME...MOT...LOC 1547Z 270DEG 25KT 3274 8094 3240 8103
3223 8130
$$947
WWUS52 KCHS 191600
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
1200 PM EDT SUN AUG 19 2012
GAC103-SCC049-053-191611-
/O.CAN.KCHS.SV.W.0241.000000T0000Z-120819T1615Z/
EFFINGHAM GA-HAMPTON SC-JASPER SC-
1200 PM EDT SUN AUG 19 2012
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL JASPER...CENTRAL
HAMPTON AND EAST CENTRAL EFFINGHAM COUNTIES HAS BEEN CANCELLED...
AT 1201 PM EDT...RADAR INDICATED THAT THE SEVERE THUNDERSTORM THAT
PROMPTED THE WARNING HAD MOVED OUT OF THE WARNED AREA...THUS THE
SEVERE THUNDERSTORM WARNING HAS BEEN CANCELED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT SUNDAY
EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
LAT...LON 3222 8143 3232 8128 3243 8116 3282 8112
3281 8092 3235 8098 3225 8117
TIME...MOT...LOC 1601Z 270DEG 25KT 3274 8082 3240 8091
3223 8119
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 9:27 AM EDT | Special Weather Statement | CHS | Bulloch, Candler | 48 min |
| Aug 19, 10:11 AM EDT | Special Weather Statement | CHS | Bulloch, Jenkins, Screven | 49 min |
| Aug 19, 10:54 AM EDT | Special Weather Statement | CHS | Effingham, Evans | 66 min |
| Aug 19, 12:03 PM EDT | Special Weather Statement | CHS | Chatham | 42 min |
| Aug 19, 12:34 PM EDT | Special Marine Warning | CHS | 86 min | |
| Aug 19, 1:57 PM EDT | Special Marine Warning | CHS | 93 min | |
| Aug 19, 7:24 PM EDT | Special Weather Statement | CHS | Wayne | 36 min |
| Aug 19, 10:50 AM EDT | Special Weather Statement | CHS | Dorchester | 40 min |
| Aug 19, 11:30 AM EDT | Special Weather Statement | CHS | Dorchester | 45 min |
| Aug 19, 11:52 AM EDT | Special Weather Statement | CHS | Beaufort, Colleton | 38 min |
| Aug 19, 12:08 PM EDT | Special Weather Statement | CHS | Berkeley | 37 min |
| Aug 19, 12:28 PM EDT | Special Weather Statement | CHS | Colleton | 32 min |
| Aug 19, 12:56 PM EDT | Special Weather Statement | CHS | Charleston | 34 min |
| Aug 19, 1:31 PM EDT | Special Weather Statement | CHS | Berkeley | 29 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2012Severe Thunderstorm Warnings in Georgia, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.